Update git submodules

* Update docs/submodules/policy/distribution.git from branch 'master'
  to f2c8a75c605ac97459973ce8ad4d57c0e050e402
  - Add NSS libraries to images

    Alpine OpenJDK was updated 2 days ago (3/14), this
    upgrade seems to break java applications that depend on libnss*.so
    OS libraries, which seem are no longer installed with the jdk.

    Added some other libraries to aid when debugging.

    Change-Id: I97e58b963420a43e91f9596ed72a82185a20d859
    Issue-ID: POLICY-1604
    Signed-off-by: Jorge Hernandez <jorge.hernandez-herrero@att.com>

diff --git a/docs/submodules/policy/distribution.git b/docs/submodules/policy/distribution.git
index b5720b3..f2c8a75 160000 (submodule)
--- a/docs/submodules/policy/distribution.git
+++ b/docs/submodules/policy/distribution.git
@@ -1 +1 @@
-Subproject commit b5720b3294799ad41d0858b5fe4eb95a6a01d2ba
+Subproject commit f2c8a75c605ac97459973ce8ad4d57c0e050e402